void init(float nearPlane, float farPlane, string cubemapPath)
{
init_renderpass();
descLayoutMain = new DescriptorSetLayout(dev,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, VkDescriptorType.UniformBuffer), //matrices and params
new VkDescriptorSetLayoutBinding(1, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler), //irradiance
new VkDescriptorSetLayoutBinding(2, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler), //prefil
new VkDescriptorSetLayoutBinding(3, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler), //lut brdf
new VkDescriptorSetLayoutBinding(4, VkShaderStageFlags.Fragment, VkDescriptorType.UniformBuffer), //lights
new VkDescriptorSetLayoutBinding(5, VkShaderStageFlags.Fragment, VkDescriptorType.UniformBuffer), //materials
new VkDescriptorSetLayoutBinding(6, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler), //shadow map
new VkDescriptorSetLayoutBinding(7, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler), //texture array
new VkDescriptorSetLayoutBinding(8, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler)); //uiImage
descLayoutGBuff = new DescriptorSetLayout(dev,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Fragment, VkDescriptorType.InputAttachment), //color + roughness
new VkDescriptorSetLayoutBinding(1, VkShaderStageFlags.Fragment, VkDescriptorType.InputAttachment), //emit + metal
new VkDescriptorSetLayoutBinding(2, VkShaderStageFlags.Fragment, VkDescriptorType.InputAttachment), //normals + AO
new VkDescriptorSetLayoutBinding(3, VkShaderStageFlags.Fragment, VkDescriptorType.InputAttachment), //Pos + depth
new VkDescriptorSetLayoutBinding(4, VkShaderStageFlags.Fragment, VkDescriptorType.InputAttachment)); //hdr
descLayoutMain.SetName("main");
descLayoutGBuff.SetName("GBuff");
using (GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, NUM_SAMPLES)) {
cfg.rasterizationState.cullMode = VkCullModeFlags.Back;
if (NUM_SAMPLES != VkSampleCountFlags.SampleCount1)
{
cfg.multisampleState.sampleShadingEnable = true;
cfg.multisampleState.minSampleShading = 0.5f;
}
cfg.Cache = pipelineCache;
cfg.Layout = new PipelineLayout(dev,
new VkPushConstantRange[] {
new VkPushConstantRange(VkShaderStageFlags.Vertex, (uint)Marshal.SizeOf <Matrix4x4> ()),
new VkPushConstantRange(VkShaderStageFlags.Fragment, sizeof(int), 64)
},
descLayoutMain, descLayoutGBuff);
cfg.RenderPass = renderPass;
//cfg.blendAttachments.Add (new VkPipelineColorBlendAttachmentState (false));
cfg.AddVertexBinding <PbrModelTexArray.Vertex> (0);
cfg.AddVertexAttributes(0, VkFormat.R32g32b32Sfloat, VkFormat.R32g32b32Sfloat, VkFormat.R32g32Sfloat, VkFormat.R32g32Sfloat);
cfg.AddVertexBinding <VkChess.InstanceData> (1, VkVertexInputRate.Instance);
cfg.AddVertexAttributes(1, VkFormat.R32g32b32a32Sfloat, VkFormat.R32g32b32a32Sfloat, VkFormat.R32g32b32a32Sfloat, VkFormat.R32g32b32a32Sfloat, VkFormat.R32g32b32a32Sfloat);
using (SpecializationInfo constants = new SpecializationInfo(
new SpecializationConstant <float> (0, nearPlane),
new SpecializationConstant <float> (1, farPlane),
new SpecializationConstant <int> (2, MAX_MATERIAL_COUNT))) {
cfg.AddShader(dev, VkShaderStageFlags.Vertex, "#vkChess.net.GBuffPbrInstanced.vert.spv");
cfg.SubpassIndex = SP_DEPTH_PREPASS;
depthPrepassPipeline = new GraphicPipeline(cfg, "Depth prepass");
cfg.depthStencilState.depthCompareOp = VkCompareOp.Equal;
cfg.blendAttachments.Add(new VkPipelineColorBlendAttachmentState(false));
cfg.blendAttachments.Add(new VkPipelineColorBlendAttachmentState(false));
cfg.blendAttachments.Add(new VkPipelineColorBlendAttachmentState(false));
cfg.SubpassIndex = SP_MODELS;
cfg.AddShader(dev, VkShaderStageFlags.Fragment, "#vkChess.net.GBuffPbrTexArray.frag.spv", constants);
gBuffPipeline = new GraphicPipeline(cfg, "GBuff");
}
cfg.rasterizationState.cullMode = VkCullModeFlags.Front;
//COMPOSE PIPELINE
cfg.blendAttachments.Clear();
cfg.blendAttachments.Add(new VkPipelineColorBlendAttachmentState(false));
cfg.ResetShadersAndVerticesInfos();
cfg.SubpassIndex = SP_COMPOSE;
cfg.Layout = gBuffPipeline.Layout;
cfg.depthStencilState.depthTestEnable = false;
cfg.depthStencilState.depthWriteEnable = false;
using (SpecializationInfo constants = new SpecializationInfo(
new SpecializationConstant <uint> (0, (uint)lights.Length),
new SpecializationConstant <float> (1, 0.25f))) {
cfg.AddShader(dev, VkShaderStageFlags.Vertex, "#vke.FullScreenQuad.vert.spv");
cfg.AddShader(dev, VkShaderStageFlags.Fragment, "#vkChess.net.compose_with_shadows.frag.spv", constants);
composePipeline = new GraphicPipeline(cfg, "compose");
}
//DEBUG DRAW use subpass of compose
cfg.ReplaceShader(1, new ShaderInfo(dev, VkShaderStageFlags.Fragment, "#vkChess.net.show_gbuff.frag.spv"));
cfg.SubpassIndex = SP_COMPOSE;
debugPipeline = new GraphicPipeline(cfg, "debug");
//TONE MAPPING
cfg.ReplaceShader(1, new ShaderInfo(dev, VkShaderStageFlags.Fragment, "#vkChess.net.tone_mapping.frag.spv"));
cfg.SubpassIndex = SP_TONE_MAPPING;
toneMappingPipeline = new GraphicPipeline(cfg, "tonne mapping");
}
dsMain = descriptorPool.Allocate(descLayoutMain);
dsGBuff = descriptorPool.Allocate(descLayoutGBuff);
envCube = new vke.Environment.EnvironmentCube(cubemapPath, gBuffPipeline.Layout, presentQueue, renderPass);
matrices.prefilteredCubeMipLevels = envCube.prefilterCube.CreateInfo.mipLevels;
DescriptorSetWrites dsMainWrite = new DescriptorSetWrites(dsMain, descLayoutMain.Bindings.GetRange(0, 5).ToArray());
dsMainWrite.Write(dev,
uboMatrices.Descriptor,
envCube.irradianceCube.Descriptor,
envCube.prefilterCube.Descriptor,
envCube.lutBrdf.Descriptor,
uboLights.Descriptor);
dsMainWrite = new DescriptorSetWrites(dsMain, descLayoutMain.Bindings[6]);
dsMainWrite.Write(dev, shadowMapRenderer.shadowMap.Descriptor);
}
void init(VkSampleCountFlags samples = VkSampleCountFlags.SampleCount4)
{
descriptorPool = new DescriptorPool(dev, 2,
new VkDescriptorPoolSize(VkDescriptorType.UniformBuffer),
new VkDescriptorPoolSize(VkDescriptorType.CombinedImageSampler)
);
descLayoutMatrix = new DescriptorSetLayout(dev,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Vertex | VkShaderStageFlags.Fragment, VkDescriptorType.UniformBuffer),
new VkDescriptorSetLayoutBinding(1, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler)
);
descLayoutTextures = new DescriptorSetLayout(dev,
new VkDescriptorSetLayoutBinding(0, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler),
new VkDescriptorSetLayoutBinding(1, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler),
new VkDescriptorSetLayoutBinding(2, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler),
new VkDescriptorSetLayoutBinding(3, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler),
new VkDescriptorSetLayoutBinding(4, VkShaderStageFlags.Fragment, VkDescriptorType.CombinedImageSampler)
);
dsMats = descriptorPool.Allocate(descLayoutMatrix);
GraphicPipelineConfig cfg = GraphicPipelineConfig.CreateDefault(VkPrimitiveTopology.TriangleList, samples);
cfg.Layout = new PipelineLayout(dev, descLayoutMatrix, descLayoutTextures);
cfg.Layout.AddPushConstants(
new VkPushConstantRange(VkShaderStageFlags.Vertex, (uint)Marshal.SizeOf <Matrix4x4> ()),
new VkPushConstantRange(VkShaderStageFlags.Fragment, (uint)Marshal.SizeOf <Model.PbrMaterial> (), 64)
);
cfg.RenderPass = new RenderPass(dev, swapChain.ColorFormat, dev.GetSuitableDepthFormat(), samples);
cfg.AddVertexBinding <Model.Vertex> (0);
cfg.SetVertexAttributes(0, VkFormat.R32g32b32Sfloat, VkFormat.R32g32b32Sfloat, VkFormat.R32g32Sfloat);
cfg.AddShader(VkShaderStageFlags.Vertex, "shaders/pbrtest.vert.spv");
cfg.AddShader(VkShaderStageFlags.Fragment, "shaders/pbrtest.frag.spv");
pipeline = new GraphicPipeline(cfg);
cfg.ResetShadersAndVerticesInfos();
cfg.AddShader(VkShaderStageFlags.Vertex, "shaders/FullScreenQuad.vert.spv");
cfg.AddShader(VkShaderStageFlags.Fragment, "shaders/simpletexture.frag.spv");
cfg.blendAttachments[0] = new VkPipelineColorBlendAttachmentState(true);
uiPipeline = new GraphicPipeline(cfg);
uboMats = new HostBuffer(dev, VkBufferUsageFlags.UniformBuffer, (ulong)Marshal.SizeOf <Matrices>());
uboMats.Map(); //permanent map
DescriptorSetWrites uboUpdate = new DescriptorSetWrites(dsMats, descLayoutMatrix.Bindings[0]);
uboUpdate.Write(dev, uboMats.Descriptor);
cfg.Layout.SetName("Main Pipeline layout");
uboMats.SetName("uboMats");
descriptorPool.SetName("main pool");
descLayoutTextures.SetName("descLayoutTextures");
statPool = new PipelineStatisticsQueryPool(dev,
VkQueryPipelineStatisticFlags.InputAssemblyVertices |
VkQueryPipelineStatisticFlags.InputAssemblyPrimitives |
VkQueryPipelineStatisticFlags.ClippingInvocations |
VkQueryPipelineStatisticFlags.ClippingPrimitives |
VkQueryPipelineStatisticFlags.FragmentShaderInvocations);
timestampQPool = new TimestampQueryPool(dev);
}